Footwear sole



FIG. 1 is a right, front perspective view of the shoe sole embodying the new design;

FIG. 2. is a bottom plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

FIGS. 1-6 show portions of an upper in broken lines. The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for footwear sole, as shown and described. 